package com.itheima.service.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.itheima.constant.MessageConstant;
import com.itheima.dao.MemberDao;
import com.itheima.dao.OrderDao;
import com.itheima.dao.OrderSettingDao;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.pojo.Order;
import com.itheima.pojo.OrderSetting;
import com.itheima.service.OrderService;
import com.itheima.service.OrderSettingService;
import com.itheima.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;
import java.util.Map;

@Service(interfaceClass = OrderService.class)
@Transactional
public class OrderServiceImpl implements OrderService {

    @Autowired
    private OrderDao orderDao;
    @Autowired
    private OrderSettingDao orderSettingDao;
    @Autowired
    private MemberDao memberDao;

    @Override
    public Result add(Map map) throws Exception {

        //1、检查用户所选择的预约日期是否已经提前进行了预约设置，如果没有设置则无法进行预约
        String orderDate = (String) map.get("orderDate");
        Date date = DateUtils.parseString2Date(orderDate);
        OrderSetting orderSetting = orderSettingDao.findOrderSettingByOrderDate(date);
        if (orderSetting == null) {
            return new Result(false, MessageConstant.SELECTED_DATE_CANNOT_ORDER);
        }
        //2、检查用户所选择的预约日期是否已经约满，如果已经约满则无法预约
        int number = orderSetting.getNumber();
        int reservations = orderSetting.getReservations();
        if (reservations >= number) {
            //预约已满，不能预约
            return new Result(false, MessageConstant.ORDER_FULL);
        }

        //
        String telephone = (String) map.get("telephone");
        Member member = memberDao.findByParam(telephone);

        if (member != null) {
            //   3、检查用户是否重复预约（同一个用户在同一天预约了同一个套餐），如果是重复预约则无法完成再次预约
            Integer memberId = member.getId();
            int setmealId = Integer.parseInt((String) map.get("setmealId"));

            Order order = new Order(memberId, date, null, null, setmealId);
            List<Order> list = orderDao.queryParams(order);
            if (list != null && list.size() > 0) {
                return new Result(false, MessageConstant.HAS_ORDERED);
            }
        /*
        4、检查当前用户是否为会员，如果是会员则直接完成预约，如果不是会员则自动完成注册并进行预约
        5、预约成功，更新当日的已预约人数*/

        } else {
            //添加会员
            member = new Member();
            member.setName((String) map.get("name"));
            member.setPhoneNumber(telephone);
            member.setIdCard((String) map.get("idCard"));
            member.setSex((String) map.get("sex"));
            memberDao.add(member);
        }

        Order order = new Order(member.getId(), date, (String) map.get("orderType"), Order.ORDERSTATUS_NO, Integer.parseInt((String) map.get("setmealId")));
        orderDao.add(order);
        return new Result(true, MessageConstant.ORDER_SUCCESS);
    }

    @Override
    public Order findById(Integer id) {
        Order order = orderDao.findById(id);
        return order;
    }
}
